Validation of sea ice concentration
Bulletin date: 2014-10-02
Model vs. observations, sea ice class contingency tables
Date: 2014-09-26:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23065 |
4389 |
915 |
361 |
58 |
10 |
4 |
0 |
| OW |
0 |
14 |
125 |
144 |
88 |
29 |
8 |
0 |
| VODI |
0 |
9 |
92 |
151 |
119 |
78 |
21 |
0 |
| ODI |
0 |
1 |
47 |
101 |
102 |
87 |
36 |
0 |
| CDI |
0 |
0 |
16 |
142 |
180 |
285 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
55 |
88 |
197 |
2688 |
3105 |
|
...date precedes bulletin
|
Date: 2014-09-30:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22390 |
4766 |
555 |
230 |
133 |
24 |
3 |
0 |
| OW |
0 |
66 |
47 |
107 |
121 |
12 |
2 |
0 |
| VODI |
0 |
38 |
73 |
106 |
178 |
45 |
9 |
0 |
| ODI |
0 |
3 |
24 |
97 |
198 |
156 |
49 |
0 |
| CDI |
0 |
0 |
4 |
70 |
194 |
330 |
202 |
0 |
| VCDI |
0 |
0 |
16 |
32 |
246 |
472 |
2793 |
3276 |
|
...date precedes bulletin
|
Date: 2014-10-02:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22599 |
4654 |
478 |
163 |
56 |
40 |
1 |
0 |
| OW |
0 |
39 |
116 |
138 |
84 |
53 |
0 |
0 |
| VODI |
0 |
15 |
42 |
119 |
107 |
112 |
5 |
0 |
| ODI |
0 |
7 |
18 |
137 |
129 |
81 |
31 |
0 |
| CDI |
0 |
0 |
15 |
92 |
186 |
170 |
99 |
0 |
| VCDI |
0 |
0 |
6 |
77 |
227 |
742 |
3250 |
2979 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22599 |
4675 |
517 |
204 |
64 |
37 |
1 |
0 |
| OW |
0 |
18 |
74 |
88 |
62 |
40 |
0 |
0 |
| VODI |
0 |
11 |
46 |
138 |
111 |
124 |
3 |
0 |
| ODI |
0 |
11 |
13 |
124 |
142 |
86 |
33 |
0 |
| CDI |
0 |
0 |
16 |
92 |
171 |
161 |
93 |
0 |
| VCDI |
0 |
0 |
9 |
80 |
239 |
750 |
3256 |
2979 |
|
Date: 2014-10-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22548 |
4678 |
512 |
168 |
53 |
14 |
0 |
0 |
| OW |
1 |
51 |
128 |
77 |
82 |
17 |
0 |
0 |
| VODI |
0 |
15 |
86 |
128 |
213 |
53 |
11 |
0 |
| ODI |
0 |
1 |
39 |
42 |
264 |
103 |
35 |
0 |
| CDI |
0 |
0 |
38 |
109 |
198 |
324 |
293 |
0 |
| VCDI |
0 |
0 |
2 |
6 |
116 |
287 |
2977 |
3398 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22549 |
4658 |
487 |
191 |
109 |
26 |
0 |
0 |
| OW |
0 |
53 |
99 |
81 |
94 |
18 |
0 |
0 |
| VODI |
0 |
18 |
78 |
67 |
202 |
60 |
12 |
0 |
| ODI |
0 |
12 |
34 |
44 |
129 |
83 |
29 |
0 |
| CDI |
0 |
4 |
61 |
64 |
164 |
201 |
159 |
0 |
| VCDI |
0 |
0 |
46 |
83 |
228 |
410 |
3116 |
3398 |
|
Date: 2014-10-08:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22636 |
4592 |
415 |
147 |
76 |
19 |
5 |
0 |
| OW |
2 |
69 |
99 |
80 |
62 |
33 |
18 |
0 |
| VODI |
0 |
7 |
80 |
76 |
143 |
86 |
21 |
0 |
| ODI |
0 |
3 |
43 |
73 |
157 |
102 |
36 |
0 |
| CDI |
0 |
1 |
34 |
82 |
105 |
200 |
222 |
0 |
| VCDI |
0 |
0 |
0 |
51 |
188 |
433 |
3100 |
3571 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22635 |
4533 |
336 |
135 |
73 |
23 |
13 |
0 |
| OW |
3 |
77 |
104 |
48 |
62 |
25 |
6 |
0 |
| VODI |
0 |
49 |
103 |
80 |
132 |
81 |
32 |
0 |
| ODI |
0 |
8 |
56 |
59 |
109 |
71 |
30 |
0 |
| CDI |
0 |
5 |
44 |
74 |
107 |
158 |
95 |
0 |
| VCDI |
0 |
0 |
28 |
113 |
248 |
515 |
3226 |
3571 |
|
Date: 2014-10-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22074 |
4751 |
505 |
173 |
64 |
11 |
1 |
0 |
| OW |
3 |
73 |
145 |
87 |
62 |
17 |
10 |
0 |
| VODI |
0 |
45 |
101 |
81 |
123 |
44 |
14 |
0 |
| ODI |
0 |
13 |
42 |
52 |
147 |
95 |
39 |
0 |
| CDI |
0 |
12 |
29 |
68 |
119 |
229 |
207 |
2 |
| VCDI |
0 |
5 |
21 |
101 |
204 |
481 |
2822 |
3995 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22073 |
4745 |
491 |
154 |
72 |
17 |
8 |
0 |
| OW |
4 |
54 |
114 |
70 |
42 |
14 |
6 |
0 |
| VODI |
0 |
45 |
134 |
74 |
129 |
69 |
25 |
0 |
| ODI |
0 |
16 |
35 |
65 |
112 |
68 |
24 |
0 |
| CDI |
0 |
18 |
23 |
58 |
117 |
128 |
94 |
0 |
| VCDI |
0 |
21 |
46 |
141 |
247 |
581 |
2936 |
3997 |
|
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